7–4
Chapter 7: External Memory Interfaces in Cyclone IV Devices
Cyclone IV Devices Memory Interfaces Pin Support
March 2016
Altera Corporation
lists the number of
DQS
or
DQ
groups supported on each side of the
Cyclone IV GX device.
Table 7–1. Cyclone IV GX Device DQS and DQ Bus Mode Support for Each Side of the Device
Device
Package
Side
Number
×8
Groups
Number
×9
Groups
Number
×16
Groups
Number
×18
Groups
Number
×32
Groups
Number
×36
Groups
EP4CGX15
169-pin FBGA
Right
1
0
0
0
—
—
Top
1
0
0
0
—
—
Bottom
1
0
0
0
—
—
EP4CGX22
EP4CGX30
169-pin FBGA
Right
1
0
0
0
—
—
Top
1
0
0
0
—
—
Bottom
1
0
0
0
—
—
324-pin FBGA
Right
2
2
1
1
—
—
Top
2
2
1
1
—
—
Bottom
2
2
1
1
—
—
484-pin FBGA
Right
4
2
2
2
1
1
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
EP4CGX50
EP4CGX75
484-pin FBGA
Right
4
2
2
2
1
1
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
672-pin FBGA
Right
4
2
2
2
1
1
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
EP4CGX110
EP4CGX150
484-pin FBGA
Right
4
2
2
2
1
1
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
672-pin FBGA
Right
4
2
2
2
1
1
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
896-pin FBGA
Right
6
3
2
2
1
1
Top
6
3
3
3
1
1
Bottom
6
3
3
3
1
1
(1) Some of the DQ pins can be used as RUP and RDN pins. You cannot use these groups if you are using these pins as RUP and RDN pins for
OCT calibration.
(2) Some of the DQ pins can be used as RUP pins while the DM pins can be used as RDN pins. You cannot use these groups if you are using the
RUP and RDN pins for OCT calibration.
(3) Only available for EP4CGX30 device.
Содержание Cyclone IV
Страница 10: ...x Chapter Revision Dates Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Страница 14: ...I 2 Section I Device Core Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Страница 106: ...II 2 Section II I O Interfaces Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Страница 164: ...III 2 Section III System Integration Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Страница 274: ...vi Contents Cyclone IV Device Handbook February 2015 Altera Corporation Volume 2...
Страница 276: ...viii Chapter Revision Dates Cyclone IV Device Handbook February 2015 Altera Corporation Volume 2...
Страница 280: ...I 2 Section I Transceivers Cyclone IV Device Handbook February 2015 Altera Corporation Volume 2...
Страница 440: ...iv Contents Cyclone IV Device Handbook December 2016 Altera Corporation Volume 3...
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